<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>slot</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="app">
        <com>tan</com>  
    </div>
    <script>
        var template=`<h2>hello<slot></slot> slot!!</h2>`
        Vue.component("com",{
            template
        });
        var vm=new Vue({
            el:"#app"
        })
    </script>
</body>
</html>